The MPEG-4 TTS can not only synthesize speech according to the input speech with a rule-generated prosody, but also executes several other functions. They are, 1) speech synthesis with the original prosody from the original speech, 2) synchronized speech synthesis with Facial Animation (FA) tools, 3) synchronized dubbing with moving pictures not by recorded sound but by text and some lip shape informations, 4) trick mode functions such as stop, resume, forward, backward without breaking the prosody even in the applications with Facial Animation (FA)/ Motion Pictures (MP), and 5) users can change the replaying speed, tone, volume, speaker’s sex, and age.